An egg developes to a new into a new animal after its fertilized by the male reproductive cell or sperm. No matter how an animal reproduces its eggs it must provide ways or nourishing and protecting the developing embryo. Have a great day hope this helps you :)
Answer:
Invertebrates can have bilateral or radial symmetry, or they can be asymmetrical. Bilateral symmetry means that the animal is arranged in the same way on both sides. Radial symmetry means the body parts are arranged in a circle around a central point.
Answer:
Apoptosis also plays a key role in human development. For instance, as we saw in the introduction, your hand started out as a paddle-like block of tissue when you were an embryo. The block was “carved” into fingers by apoptosis of the cells in between the developing fingers.
Explanation:
It is false that constellations are only visible in certain seasons due to the revolution of the Earth toward the constellation.
